Sash-supporter.



PATENTED DEG. 10, 190'7. W. W SWEETLAND.

.SASH SUPPORTER. APPLIoATloN FILED DE( J.11, 1906.

Wl /VESSE UNITED sTATEs PATENT OFFICE.

Specification of' Letters Patent.

Application filed December 11. 1906. Serial No. 347.349.

Patented Dec. 10, 1907.

T o all whom 'it may concern:

Be it known that I, WILLIAM W. SWEET- LAND, a citizen of the United States, residing at Edwardsburg, in the county of Cass and State of Michigan, have invented a new and useful Sash-Supporter, of which the following is a specification.

This invention relates to a sash supporter of that type comprising a rod and a lock arranged one on the window frame and the other on the sash, so that the latter can be locked closed or locked in any desired open position and in such a way as to prevent the sash from being opened from the outside.-

The invention has for one of its objects to improve and sim lify the construction and operation of sash asteners of this type, so as to be comparatively easy-and inexpensive to construct, and reliable and eflicient in use.

A further object of the invention is to pro-- vide a lock comprising a pair of oppositely acting dogs which are adapted to grip the rod of the sash supporter and adapted to be released by levers having thumb pieces arranged to be compressed toward each other and so held while the sash is moving in one direction. or the other. f -Y n With these objects in view, and others, as will appear as the nature of the invention is better understood, the invention comprises the various novel features of construction and arrangement of parts, which will be more fully described hereinafter and set forth with particularity in the claims appended hereto.

In the accompanying drawing, which illustrates one of the embodiments of the invention, Figure 1 is a fragmentary 4front elevation of a window showing the sash supporter applied to one of the sashes thereof. Fig. 2 is a longitudinal sectioncf the lock of the supporter showing the dogs thereof in gripping relation. Fig. 3 is a similar view showing the dogs released. Fig. 4 is a perspective view of the casing of the lock. Figs. 5 and 6 are perspective views, respectively, of one ofthe jaws and releasing levers.

Corresponding parts in the several figures are indicated throughout by similar characters of reference. v

Referringto the drawing, 1 designates a Window frame and 2 one of the sashes thereof. On the window frame is arranged the rod member 3 and on the sash is arranged the lock member 4 of the sash supporter or fastener. While this arrangement is preferable, it is obvious that the rod 3 may be sel cured to the sash and the lock member to the window frame. Although only one sash is shown equipped with the fastener, it is to be understood that both sashes of the window may, if desired, be provided with separate fasteners. The rod 3 is threaded at the ends 5 and extends through apertured brackets 6 which are secured to the window frame by a screw 7, or other fastening. The' rod is held in place in the `brackets by nuts 8 screwing on the said threaded ends. The rods and brackets may be made of any suitable metal, and the rod is preferably of round cross section.

The lock member of the fastener comprises preferably a cast metal casing 9, of rectangular or box-like form, having base extensions 10 provided with countersunk apertures 11 for receiving screws 12 to secure the casing to the front surface of one of the stiles 13 of the sash 2. The to and bottom walls of the casing are provide With -alining openings 14 through which the rod 3 passes. Arran ed in the casing are dogs l5 suitably space from each other and provided with apertures 16 forming biting edges 17, and through these openings passes the rod 3. The opening 16 of each dog is arranged adj acent one end thereof, and between the dogs may be arranged a spring normally holding the dogs apart, so that the biting edges 17 will grip the rod 3. In the present instance, this spring takes the form of a wire helix 18 wound around the rod 3 and abutting at its ends the dogs 15. The ends of thedogs opposite from the apertures 16 rest in recesses 19 which form fulcrums for the dogs. These recesses are formed on the interior of the side Wall 20 of the casing. In the opposite side wall 21 are arran ed elongated recesses 22 the ends of which orm lstops for limiting the movement of the dogs. The dogs are released by levers 23 disposed at the top and bottom of the casing 9, the outer ends of the lever extending through the slots 24 in the side wall 20 and terminating iniingerholds 25. The inner ends of the levers or actuators 23 are perforated at 26 for receiving the rod 3, and the said ends are fulcrumed in recesses 27 in the side wall 21. Extending from each lever is a lug 28 which bears against the adjacent dog. The slots 24 are o sufficient dimension to permit the levers to be compressed toward each other by taking the Jiingerholds 25 between the thumb and rst finger of one hand and applying pressure. By compressing the levers, the dogs are moved toward each other against the tension of the spring 18, so that the biting edges 17 will be moved out of gripping relation with the rod 3, thereby permitting relative movement between the rod and lock of the fastener. As soon as pressure is removed from the fngerholds, the levers return to their normal position, as do also the dogs by reason of the expansion ofthe spring, so that the biting edges i7 Win ai@ heid of the rod. From the foregoing description, taken in connection with the accompanying drawing, the advantages of the construction and of the method of operation will be readily understood.

In operation, the sash is either raised or lowered by first compressing the iingerholds 2:5 toward eash other and, while they are held so compressed, the sash is moved in the desired direction. When the required point is reached, the iingerholds are released, thereby causing the locking member to firmly grip the rod of the fastener. The sash is thus held in fixed position, and cannot be raised or lowered by power being applied directly to the sash. The spring 18 holds the dogs in positive engagement with the rod 3 so that jolting orvibration of the window does not cause the sash te slip.. In view of this fact, the sash supporter is of particular value for car windows. The sash fastener or supporter is easily operated at all times and is of simple and substantial construction and reliable in preventing relative movement of the two members to which the fastener is applied. While the rod 3 has been shown in a vertical position, it is obvious that a fastener may be used between two members that are movable in other directions than the vertical.

Ihave described the principle of operation of the invention, together with the device which I now consider to be the best embodiment thereof,l but I desire to have it understood that the apparatus shown is merely illustrative, and that various changes may dependent of the dogs for releasing the latter.

2. The combination of two relatively movable members, with a fastening device between them, said device comprising a rod secured to one of the members, a support on the other member, walls on the support disposed in parallel relation and having recesses in their opposed faces, a pair of dogs having gripping means at one end and fulcrumed at their opposite ends in the recesses of one wall, levers disposed alongside of the dogs and fulcrumed in the recesses of the opposite walls, handhelds on the levers, and a spring arranged between the dogs.

3. The combination of a casing having apertures in its end walls and slots in one of its side walls and recesses on the opposed faces of both side walls, a rod extending through the apertures of the end walls, a pair of dogs in the casing engaging at their ends in certain of the recesses of the side walls and having apertures for receiving the said rod, levers extending thro ugh the slots of one of the side walls and fulcrumed in the remaining recesses of the other wall, iingerholds on the outer ends of the levers, devices on the levers extending toward the adjacent dogs and bearing against the same, and a spiing arranged between the dogs to normally hold the latter in gripping engagement with the rod.

Iii testimony that I claim the foregoing as my own, I have hereto a'llixed my signature in the presence of two witnesses.

WILLIAM W. SVVEElLAND.

Witnesses:

WARREN BEAN, J D. BEAN. 

